CVE-2026-56151

published 2026-07-01

CVE-2026-56151: Improper Input Validation (CWE-20) in Kibana can lead to a denial of service via Input Data Manipulation (CAPEC-153). An authenticated user can submit a…

Priority P3 35 medium 6.5 CVSS 3.1

AV N AC L PR L UI N S U C N I N A H

Improper Input Validation (CWE-20) in Kibana can lead to a denial of service via Input Data Manipulation (CAPEC-153). An authenticated user can submit a specially crafted Fleet policy input that is not correctly validated, which can render Fleet agent, server, and policy management functionality unavailable.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
elastic	kibana	>= 8.0.0 < 8.19.17	8.19.17
elastic	kibana	8.0.0 – 8.19.16	—
elastic	kibana	>= 9.0.0 < 9.3.6	9.3.6
elastic	kibana	9.0.0 – 9.3.5	—
elastic	kibana	>= 9.4.0 < 9.4.3	9.4.3
elastic	kibana	9.4.0 – 9.4.2	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-20